Constant DEV_CSS

pub const DEV_CSS: &str = r#"
area-l,
center-l,
box-l,
extender-l,
grid-l,
icon-l,
ledge-l,
outsider-l,
rack-l,
sidebar-l,
slider-l,
stack-l,
switcher-l,
ol,
ul,
dl,
div,
section,
article,
header,
footer,
main,
nav,
aside,
figure,
details,
input,
button,
textarea,
select,
form {
    outline: 2px solid black;
}

button,
input,
textarea,
select {
    background-color: gray;
}
"#;